Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tinh trang » minh trang, tinh quang, tinh toan
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong dot » cong mot, cong dong, cong doan
dot van » do van, doi van, doan van

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((tinh trang) OR (canh tranh)) cua nhung cong dot van ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((tinh trang) or (canh tranh)) cua nhung cong dot van ban*.